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helping to extend the lifespan of your suspension system
SB9-XTG4 kit features an Xtreme pressure plate for the most demanding driver
This wheel’s motorsport heritage is evident in its no-nonsense design and proven performance on both street and track
ensure proper wiring and secure mounting to prevent vibrations or damage during off-road use
AST Suspension Lowering Springs (25mm/20mm TUV) - 2005-2012 Alfa Romeo 159 2.4JTDM (939) Exclusive - 2015-2023 Ford Mustang helping to extend the lifespanAST Lowering Springs for the 2005 2012 Alfa Romeo 159 (939) are manufactured from a premium high tensile chromium silicone wire which is handpicked by AST engineers for its quality and metal consistency. Each spring is cold wound and then heat treated to increase hardness and reduce internal stresses present after winding. Each spring is then individually shot peened, phosphate treated and then powder coated to outlast even the life of the vehicle.